From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BE604C169C4 for ; Mon, 11 Feb 2019 08:27:10 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8CA0E20863 for ; Mon, 11 Feb 2019 08:27:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="CTfjVS5K" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8CA0E20863 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=29+t3zLkz/OjlOiglkto8iAdFkfT4gfU6h39U60bIdo=; b=CTfjVS5KA4ytPy Le0hX7rpsy4h3KAFFBN9ZaMnmSTGr2Ed/GwVeAlIJmkmWTaZH3XmqEt+RdR2k9kUYcyFF7gIbOi85 obd/5N5/KaovMiTFc1PYdyBoAxN9znfDwilAPwLIgtWGYrjFb/AViLR9yNwjaYUM5+ScfV/AspFvM pXBgGpUhvoW1F82QMuXHvAYfgcjX+GlG9GhuzkqlCSYuAWO/tRU7jREoHldO/yKDfLTajPoB4EvAc qTyym6H7gvjtWZ+UV1+vF+oxyRuIDgEo0oo/IWy0NTQWonmBAj1tHiBQ5PzohVbpERBkibTrJJ9MF EHsz2bfzwENDZ8nGh6pg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gt6vk-0004tS-Rt; Mon, 11 Feb 2019 08:27:08 +0000 Received: from hch by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1gt6vh-0004re-TJ; Mon, 11 Feb 2019 08:27:05 +0000 Date: Mon, 11 Feb 2019 00:27:05 -0800 From: Christoph Hellwig To: Alexandre Ghiti Subject: Re: [PATCH v2] riscv: Make mmap allocation top-down by default Message-ID: <20190211082705.GA18519@infradead.org> References: <20190128174902.22912-1-alex@ghiti.fr> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190128174902.22912-1-alex@ghiti.fr> User-Agent: Mutt/1.9.2 (2017-12-15) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: hch@infradead.org, linux-riscv@lists.infradead.org, Palmer Dabbelt , Albert Ou Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org On Mon, Jan 28, 2019 at 12:49:02PM -0500, Alexandre Ghiti wrote: > In order to avoid wasting user address space by using bottom-up mmap > allocation scheme, prefer top-down scheme when possible. > > This patch is based on arm64 implementation. Any chance you could lift the arm64 code into a generic top-down library and reuse that instead of duplicating it? _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv